#VU47917 Permissions, Privileges, and Access Controls in strapi


Published: 2020-10-22 | Updated: 2020-10-26

Vulnerability identifier: #VU47917

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27665

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
strapi
Web applications / CMS

Vendor: strapi.io

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to no admin::hasPermissions restriction for CTB (aka content-type-builder) routes, which leads to security restrictions bypass and privilege escalation.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

strapi: 3.2.0 - 3.2.4


External links
http://github.com/strapi/strapi/pull/8439
http://github.com/strapi/strapi/releases/tag/v3.2.5


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability